- Modified DNAClassAttribute to also support usage on structs

- Added auto generation of DNAClass attributes on file generation
- Regenerated all files

BlendFile/DNA/CustomData.cs

@@ -13,6 +13,7 @@ using System;
 namespace BlendFile.DNA {
     using BlendFile;
     
+    [DNAClassAttribute(219, "CustomData")]
     public class CustomData {
         [DNAFieldAttribute(0, "CustomDataLayer", "*layers", 120)]
         public CustomDataLayer ptr_layers;